@media (max-width: 768px) {
  .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
  }
}

@media (min-width: 769px) {
  .container {
    display: grid;
    grid-template-columns: 500px 1fr;
    height: 100vh;
    overflow: hidden;
    .aside {
      display: grid;
      place-items: center;
      // background-color: #f8f8f8;
      border-right: 1px solid #f5f5f5;
    }
  }
}
